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Finding the Fourth Proportional to 64.14, 96.15 and 23.53

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Solution

The fourth proportional to 64.14, 96.15 and 23.53 is: 35.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.14 : 96.15 = 23.53 : x
  2. Step 2: Convert to fraction form
    64.14/96.15 = 23.53/x
  3. Step 3: Cross multiply
    64.14x = 96.15 × 23.53
  4. Step 4: Simplify right side
    64.14x = 2,262.53
  5. Step 5: Solve for x
    x = 2,262.53/64.14
  6. Step 6: Final answer
    x = 35.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.